adduser.aspx.cs

用.net开发的一套管理系统,功能比较全,挺好用的啊!

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration;

namespace cms
{
	/// <summary>
	/// adduser 的摘要说明。
	/// </summary>
	public class adduser : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox Tbx_id;
		protected System.Web.UI.WebControls.TextBox Tbx_name;
		protected System.Web.UI.WebControls.DropDownList Ddl_kind;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_id;
		protected System.Web.UI.WebControls.CustomValidator Cv_id;
		protected System.Web.UI.WebControls.Button Btn_cancel;
		protected System.Web.UI.WebControls.Button Btn_ok;
		protected System.Web.UI.WebControls.Label Lbl_note;
		protected System.Data.SqlClient.SqlCommand SqlCommand1;
		protected System.Data.SqlClient.SqlDataReader SqlDataReader1;
		SqlConnection cn;
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			cn=new SqlConnection(strconn);

	
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Cv_id.ServerValidate += new System.Web.UI.WebControls.ServerValidateEventHandler(this.Cv_id_ServerValidate);
			this.Btn_ok.Click += new System.EventHandler(this.Btn_ok_Click);
			this.Btn_cancel.Click += new System.EventHandler(this.Btn_cancel_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Btn_ok_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid)
			{
					cn.Open ();
				SqlCommand1=new SqlCommand("insert_users_1",cn);
				SqlCommand1.CommandType=CommandType.StoredProcedure;
				SqlCommand1.Parameters.Add("@User_id", SqlDbType.Char,10);
				SqlCommand1.Parameters["@User_id"].Value =Tbx_id.Text.Trim();
				SqlCommand1.Parameters.Add("@User_password",SqlDbType.Char,10);
				SqlCommand1.Parameters["@User_password"].Value = Tbx_id.Text.Trim ();
				SqlCommand1.Parameters.Add("@User_power",SqlDbType.Int ,4);
				SqlCommand1.Parameters["@User_power"].Value = Ddl_kind.SelectedItem.Text.Trim ();
				SqlCommand1.Parameters.Add("@User_name",SqlDbType.VarChar ,50);
				SqlCommand1.Parameters["@User_name"].Value = Tbx_name.Text.Trim ();
				try
				{
						int i=SqlCommand1.ExecuteNonQuery();
					if(i>0)
					{
						Response.Redirect ("users.aspx");
					
					}						
				}
				catch (SqlException e1)
				{
					Lbl_note.Text ="数据库操作错误："+e1.Message;
					
				}
			}
			// **************
		
		}

		private void Btn_cancel_Click(object sender, System.EventArgs e)
		{
		Response.Redirect("adduser.aspx");
		}

		private void Cv_id_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
		cn.Open();
	SqlCommand cm=new SqlCommand("select * from users where User_id=@User_id",cn);
	cm.Parameters.Add("@User_id",SqlDbType.Char,10);
	cm.Parameters["@User_id"].Value=Tbx_id.Text.Trim ();
	SqlDataReader dr=cm.ExecuteReader();
	if(dr.Read())
{
	args.IsValid=false;
}
	else
{
	args.IsValid=true;
}
	cn.Close();
}

		//**************
	


}

	
}